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Mitogen-activated protein kinase 1

Definition:

Serine/threonine kinase which acts as an essential component of the MAP kinase signal transduction pathway. MAPK1/ERK2 and MAPK3/ERK1 are the 2 MAPKs which play an important role in the MAPK/ERK cascade. They participate also in a signaling cascade initiated by activated KIT and KITLG/SCF. Depending on the cellular context, the MAPK/ERK cascade mediates diverse biological functions such as cell growth, adhesion, survival and differentiation through the regulation of transcription, translation, cytoskeletal rearrangements. The MAPK/ERK cascade also plays a role in initiation and regulation of meiosis, mitosis, and postmitotic functions in differentiated cells by phosphorylating a number of transcription factors. About 160 substrates have already been discovered for ERKs. Many of these substrates are localized in the nucleus, and seem to participate in the regulation of transcription upon stimulation. However, other substrates are found in the cytosol as well as in other cellular organelles, and those are responsible for processes such as translation, mitosis and apoptosis. Moreover, the MAPK/ERK cascade is also involved in the regulation of the endosomal dynamics, including lysosome processing and endosome cycling through the perinuclear recycling compartment (PNRC); as well as in the fragmentation of the Golgi apparatus during mitosis. The substrates include transcription factors (such as ATF2, BCL6, ELK1, ERF, FOS, HSF4 or SPZ1), cytoskeletal elements (such as CANX, CTTN, GJA1, MAP2, MAPT, PXN, SORBS3 or STMN1), regulators of apoptosis (such as BAD, BTG2, CASP9, DAPK1, IER3, MCL1 or PPARG), regulators of translation (such as EIF4EBP1) and a variety of other signaling-related molecules (like ARHGEF2, DCC, FRS2 or GRB10). Protein kinases (such as RAF1, RPS6KA1/RSK1, RPS6KA3/RSK2, RPS6KA2/RSK3, RPS6KA6/RSK4, SYK, MKNK1/MNK1, MKNK2/MNK2, RPS6KA5/MSK1, RPS6KA4/MSK2, MAPKAPK3 or MAPKAPK5) and phosphatases (such as DUSP1, DUSP4, DUSP6 or DUSP16) are other substrates which enable the propagation the MAPK/ERK signal to additional cytosolic and nuclear targets, thereby extending the specificity of the cascade. Mediates phosphorylation of TPR in response to EGF stimulation. May play a role in the spindle assembly checkpoint. Phosphorylates PML and promotes its interaction with PIN1, leading to PML degradation. Phosphorylates CDK2AP2 (By similarity).; Acts as a transcriptional repressor. Binds to a [GC]AAA[GC] consensus sequence. Repress the expression of interferon gamma-induced genes. Seems to bind to the promoter of CCL5, DMP1, IFIH1, IFITM1, IRF7, IRF9, LAMP3, OAS1, OAS2, OAS3 and STAT1. Transcriptional activity is independent of kinase activity.

References:

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[2]. L Rönnstrand, et al. Signal transduction via the stem cell factor receptor/c-Kit. Cell Mol Life Sci. 2004 Oct;61(19-20):2535-48. [Content Brief]

[3]. Zhong Yao, et al. The ERK signaling cascade--views from different subcellular compartments. Biofactors. 2009 Sep-Oct;35(5):407-16. [Content Brief]

[4]. Lindsey A Allan, et al. Inhibition of caspase-9 through phosphorylation at Thr 125 by ERK MAPK. Nat Cell Biol. 2003 Jul;5(7):647-54. [Content Brief]

[5]. Inbal Wortzel, et al. The ERK Cascade: Distinct Functions within Various Subcellular Organelles. Genes Cancer. 2011 Mar;2(3):195-209. [Content Brief]

[6]. M Camps, et al. Catalytic activation of the phosphatase MKP-3 by ERK2 mitogen-activated protein kinase. Science. 1998 May 22;280(5367):1262-5. [Content Brief]

[7]. Yingjie Wu, et al. EGFR and FGFR signaling through FRS2 is subject to negative feedback control by ERK1/2. Biol Chem. 2003 Aug;384(8):1215-26. [Content Brief]

[8]. Josefina Garcia, et al. IEX-1: a new ERK substrate involved in both ERK survival activity and ERK activation. EMBO J. 2002 Oct 1;21(19):5151-63. [Content Brief]

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[12]. Seunghee Yoon, et al. The extracellular signal-regulated kinase: multiple substrates regulate diverse cellular functions. Growth Factors. 2006 Mar;24(1):21-44. [Content Brief]

[13]. Shaohui Hu, et al. Profiling the human protein-DNA interactome reveals ERK2 as a transcriptional repressor of interferon signaling. Cell. 2009 Oct 30;139(3):610-22. [Content Brief]

[14]. Jianmin Sun, et al. The D816V mutation of c-Kit circumvents a requirement for Src family kinases in c-Kit signal transduction. J Biol Chem. 2009 Apr 24;284(17):11039-47. [Content Brief]

[15]. Kouhei Masuda, et al. Activation of ERK induces phosphorylation of MAPK phosphatase-7, a JNK specific phosphatase, at Ser-446. J Biol Chem. 2003 Aug 22;278(34):32448-56. [Content Brief]

[16]. Marialetizia Motta, et al. Enhanced MAPK1 Function Causes a Neurodevelopmental Disorder within the RASopathy Clinical Spectrum. Am J Hum Genet. 2020 Sep 3;107(3):499-513. [Content Brief]

[17]. H Niu, et al. Antigen receptor signaling induces MAP kinase-mediated phosphorylation and degradation of the BCL-6 transcription factor. Genes Dev. 1998 Jul 1;12(13):1953-61. [Content Brief]

[18]. Jong Wook Hong, et al. Phosphorylation of serine 147 of tis21/BTG2/pc3 by p-Erk1/2 induces Pin-1 binding in cytoplasm and cell death. J Biol Chem. 2005 Jun 3;280(22):21256-63. [Content Brief]

[19]. M Deak, et al. Mitogen- and stress-activated protein kinase-1 (MSK1) is directly activated by MAPK and SAPK2/p38, and may mediate activation of CREB. EMBO J. 1998 Aug 3;17(15):4426-41. [Content Brief]

[20]. G Sithanandam, et al. 3pK, a new mitogen-activated protein kinase-activated protein kinase located in the small cell lung cancer tumor suppressor gene region. Mol Cell Biol. 1996 Mar;16(3):868-76. [Content Brief]

[21]. Masaru Mitsushima, et al. Extracellular signal-regulated kinase activated by epidermal growth factor and cell adhesion interacts with and phosphorylates vinexin. J Biol Chem. 2004 Aug 13;279(33):34570-7. [Content Brief]

[22]. Paul Langlais, et al. Phosphorylation of Grb10 by mitogen-activated protein kinase: identification of Ser150 and Ser476 of human Grb10zeta as major phosphorylation sites. Biochemistry. 2005 Jun 21;44(24):8890-7. [Content Brief]

[23]. D Margriet Ouwens, et al. Growth factors can activate ATF2 via a two-step mechanism: phosphorylation of Thr71 through the Ras-MEK-ERK pathway and of Thr69 through RalGDS-Src-p38. EMBO J. 2002 Jul 15;21(14):3782-93. [Content Brief]

[24]. Aaron M Domina, et al. MCL1 is phosphorylated in the PEST region and stabilized upon ERK activation in viable cells, and at additional sites with cytotoxic okadaic acid or taxol. Oncogene. 2004 Jul 8;23(31):5301-15. [Content Brief]

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[26]. H Ni, et al. MAPKAPK5, a novel mitogen-activated protein kinase (MAPK)-activated protein kinase, is a substrate of the extracellular-regulated kinase (ERK) and p38 kinase. Biochem Biophys Res Commun. 1998 Feb 13;243(2):492-6. [Content Brief]

[27]. Jun Hee Lim, et al. Mitogen-activated protein kinase extracellular signal-regulated kinase 2 phosphorylates and promotes Pin1 protein-dependent promyelocytic leukemia protein turnover. J Biol Chem. 2011 Dec 30;286(52):44403-11. [Content Brief]

[28]. Tomás Vomastek, et al. Extracellular signal-regulated kinase 2 (ERK2) phosphorylation sites and docking domain on the nuclear pore complex protein Tpr cooperatively regulate ERK2-Tpr interaction. Mol Cell Biol. 2008 Nov;28(22):6954-66. [Content Brief]

[29]. D N Sgouras, et al. ERF: an ETS domain protein with strong transcriptional repressor activity, can suppress ets-associated tumorigenesis and is regulated by phosphorylation during cell cycle and mitogenic stimulation. EMBO J. 1995 Oct 2;14(19):4781-93. [Content Brief]

[30]. Yanzhong Hu, et al. Association and regulation of heat shock transcription factor 4b with both extracellular signal-regulated kinase mitogen-activated protein kinase and dual-specificity tyrosine phosphatase DUSP26. Mol Cell Biol. 2006 Apr;26(8):3282-94. [Content Brief]

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